Home / 830,045.32-1,246,187.36-531,109.44

Finding the Fourth Proportional to 830,045.32, 1,246,187.36 and 531,109.44

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Solution

The fourth proportional to 830,045.32, 1,246,187.36 and 531,109.44 is: 797,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,045.32 : 1,246,187.36 = 531,109.44 : x
  2. Step 2: Convert to fraction form
    830,045.32/1,246,187.36 = 531,109.44/x
  3. Step 3: Cross multiply
    830,045.32x = 1,246,187.36 × 531,109.44
  4. Step 4: Simplify right side
    830,045.32x = 661,861,870,904.68
  5. Step 5: Solve for x
    x = 661,861,870,904.68/830,045.32
  6. Step 6: Final answer
    x = 797,380.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.